Date: Sat, 13 Feb 1999 12:12:39 +1030 From: Greg Lehey <grog@lemis.com> To: Jaye Mathisen <mrcpu@internetcds.com> Cc: FreeBSD Questions <questions@FreeBSD.ORG> Subject: Re: Ooops, new vinum weirdness... Message-ID: <19990213121239.B54333@lemis.com> In-Reply-To: <Pine.NEB.3.95.990212171938.27256J-100000@schizo.cdsnet.net>; from Jaye Mathisen on Fri, Feb 12, 1999 at 05:26:32PM -0800 References: <19990213113320.Y54333@lemis.com> <Pine.NEB.3.95.990212171938.27256J-100000@schizo.cdsnet.net>
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On Friday, 12 February 1999 at 17:26:32 -0800, Jaye Mathisen wrote: > > On Sat, 13 Feb 1999, Greg Lehey wrote: > >> [Format recovered at freebie.lemis.com] >> >> On Friday, 12 February 1999 at 16:51:19 -0800, Jaye Mathisen wrote: >>> >>> D drive1 State: up Device /dev/da2c >>> D drive2 State: up Device /dev/da3c >>> D drive3 State: up Device /dev/da4c >>> >>> V vol0 State: up Plexes: 2 Size: 11 GB >>> >>> P vol0.p0 S State: up Subdisks: 3 Size: 11 GB >>> P vol0.p1 S State: up Subdisks: 3 Size: 11 GB >>> >>> S vol0.p0.s0 State: up PO: 0 B Size: 4000 MB >>> S vol0.p0.s1 State: up PO: 16 kB Size: 4000 MB >>> S vol0.p0.s2 State: up PO: 32 kB Size: 4000 MB >>> S vol0.p1.s0 State: up PO: 0 B Size: 4000 MB >>> S vol0.p1.s1 State: up PO: 16 kB Size: 4000 MB >>> S vol0.p1.s2 State: up PO: 32 kB Size: 4000 MB >>> >>> Isn't plex vol0.p1 kind of useless to me? Seems like this shouldn't be >>> allowed. >> >> Not at all. This is very definitely a feature, not a bug. You have >> now just mirrored your volume. Of course, it would be better to >> mirror on a different set of disks, but it works. >> >> BTW, your stripe size (16 kB) is *far* too small. Somebody pointed >> out that that was in the man page, but it was wrong. It's now set to >> 256 kB. Unfortunately, you can't change your stripe size online. > > Are you telling me that if I had actually newfs'd this, that it would've > created a mirrored 5.5 GB partition on the same disk? No. That's not the way volumes map to plexes. > I must be stupid, but I just don't see how this config means anything. I think you need to read the man pages. > I can't have 2 11GB drives (mirrored or not), since there's only 12GB of > disk space total. Oh. Then you should have got an error message when creating the additional subdisks. > If p1.s0, p1.s1, and p1.s2 were different than p0..s0, p0.s1 and p0.s2, in > any way, then I could see it. Well, you could if you use the command `vinum list -V. What does it say? Greg -- When replying to this message, please copy the original recipients. For more information, see http://www.lemis.com/questions.html See complete headers for address, home page and phone numbers finger grog@lemis.com for PGP public key To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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